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Finding the Fourth Proportional to 17,166.39, 23,689.95 and 9,714.39

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Solution

The fourth proportional to 17,166.39, 23,689.95 and 9,714.39 is: 13,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.39 : 23,689.95 = 9,714.39 : x
  2. Step 2: Convert to fraction form
    17,166.39/23,689.95 = 9,714.39/x
  3. Step 3: Cross multiply
    17,166.39x = 23,689.95 × 9,714.39
  4. Step 4: Simplify right side
    17,166.39x = 230,133,413.38
  5. Step 5: Solve for x
    x = 230,133,413.38/17,166.39
  6. Step 6: Final answer
    x = 13,406.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.